Recent 8-K filings for USGO

• June 9, 2026, 6:35 AM ET other material materiality 0.60 positive item 7.01item 9.01

  U.S. GoldMining ahead of schedule on 2026 Whistler exploration; TEC gets $89M DOE grant

  Crews constructing drill pads at high-priority targets; drilling expected to start in coming weeks.

• April 10, 2026, 7:59 PM ET earnings materiality 0.60 negative item 7.01item 9.01

  GoldMining Inc. reports Q1 net loss of $7.2M CAD; exploration expenses triple YoY

  Net loss attributable to shareholders $6,641K ($0.03/sh) vs $4,546K in Q1 2025.

• March 23, 2026, 7:59 PM ET other material materiality 0.85 positive item 7.01item 9.01

  Whistler PEA shows $2.0B after-tax NPV5%, 33% IRR, 2.1-year payback at base prices

  After-tax NPV5% of $2.0B, IRR 33%, initial payback 2.1 years at base prices ($3,200/oz Au, $4.50/lb Cu, $37.50/oz Ag).

• March 2, 2026, 6:59 PM ET other material materiality 0.70 neutral item 8.01item 9.01

  U.S. GoldMining announces results of Initial Assessment and PEA for Whistler Gold-Copper Project

  On March 2, 2026, U.S. GoldMining Inc. issued a news release regarding the Whistler Gold-Copper Project.

• September 22, 2025, 7:59 PM ET other material materiality 0.70 positive item 7.01item 9.01

  Whistler gold recovery improves to 85.3% via flotation+leach, up 22% from prior test

  Combined flotation and cyanide leach achieved 85.3% Au, 79.1% Cu, 55.3% Ag recoveries.

• July 28, 2025, 7:59 PM ET other material materiality 0.70 positive item 7.01item 9.01

  Alaska AIDEA submits permit for 78.5-mile road to U.S. GoldMining's Whistler project

  AIDEA submitted a Department of the Army Individual Permit for the West Susitna Access Project on July 25, 2025.

• June 9, 2025, 7:59 PM ET other material materiality 0.60 positive item 7.01item 9.01

  U.S. GoldMining selects Ausenco to lead Whistler Gold-Copper PEA; target completion year-end

  Ausenco chosen as principal consulting firm for Whistler PEA after competitive RFP process.

• April 24, 2025, 7:59 PM ET other material materiality 0.60 positive item 7.01item 9.01

  U.S. GoldMining starts metallurgical testwork for Whistler Gold-Copper PEA

  Engaged BaseMet Laboratories to develop process flowsheet optimized for metal recovery at Whistler.

• April 11, 2025, 7:59 PM ET earnings materiality 0.60 negative item 7.01item 9.01

  GoldMining parent posts wider Q1 net loss of C$4.9M; U.S. GoldMining draws C$176k from ATM

  GoldMining Inc. net loss C$4.9M for Q1 Feb 28, 2025 vs C$2.8M a year ago; no option payment gains.

• February 10, 2025, 6:59 PM ET other material materiality 0.70 positive item 8.01item 9.01

  U.S. GoldMining discovers new high-grade gold-silver polymetallic zone at Raintree Deposit

  Hole WH24-05 intersected 138.0 m at 0.99 g/t AuEq (0.89 g/t Au, 0.05% Cu) plus Ag-Pb-Zn, from 635 m depth.

• February 3, 2025, 6:59 PM ET other material materiality 0.65 positive item 8.01item 9.01

  U.S. GoldMining reports 458m at 0.75 g/t AuEq at Whistler; extends high-grade zone

  WH24-04 intercepted 458m at 0.75 g/t AuEq (0.46 g/t Au, 0.16% Cu, 1.66 g/t Ag) from 224-682m depth.

• December 17, 2024, 6:59 PM ET other material materiality 0.80 positive item 7.01item 9.01

  U.S. GoldMining doubles indicated AuEq resources to 6.5M oz at Whistler project

  Indicated resources increased 117% to 6.5M oz gold-equivalent; inferred adds 4.2M oz AuEq.

• November 18, 2024, 6:59 PM ET other material materiality 0.60 positive item 7.01item 9.01

  U.S. GoldMining: 120m at 1.00 g/t AuEq in WH24-02 confirms western high-grade zone at Whistler

  WH24-02 Main Zone intercept: 120m at 0.72 g/t Au, 0.16% Cu, 0.83 g/t Ag (1.00 g/t AuEq) from 291m downhole.

Earnings & guidance

Materiality & sentiment trend

Max materiality 0.85 · Median 0.50 · Most common event other_material

26 positive 5 negative 19 neutral

source · USGO on sec.gov